package com.kude.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.kude.entity.Administrator;
import com.kude.service.LoginService;
import com.kude.util.BeanFactory;

public class AdminValidateFilter implements Filter {

	public void destroy() {
		// TODO Auto-generated method stub

	}

	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		LoginService loginService = BeanFactory.getBean(LoginService.class.getName());
		HttpServletRequest request = (HttpServletRequest) arg0;
		HttpServletResponse response = (HttpServletResponse)arg1; 
		String URL = "admin/index.html";
		if (request.getSession().getAttribute("admin") != null) {
			Administrator admin = (Administrator) request.getSession()
					.getAttribute("admin");
			boolean status = loginService.validate(admin.getAdminName(), admin.getAdminPassword());
			if(status){
				arg2.doFilter(arg0, arg1); 
			}else{
				response.sendRedirect(URL);
			}
		}else{
				response.sendRedirect(URL);
		}
	}

	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}
